Electronics and Communication Engineering - Digital Electronics

11. 

In an R-S latch, to set the output to high

A. R is low and S is high
B. R and S are high
C. R and S are low
D. R is high and S is low

Answer: Option A

Explanation:

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12. 

The amplifier used in miller voltage sweep should have a gain of

A. -∞
B. +1
C. +∞
D. -1

Answer: Option A

Explanation:

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13. 

How many different binary numbers can be stored in a register consisting of six switches?

A. 16
B. 32
C. 64
D. 128

Answer: Option C

Explanation:

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14. 

In one of the codes for transfer of numbers the code for the succeeding number differs from that of the number only in the change of a single digit. The code is

A. ASCII
B. Excess 3 CODE
C. Gray CODE
D. none of these

Answer: Option C

Explanation:

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15. 

Assertion (A): TTL uses multiple emitter transistor.

Reason (R): Multiple emitter transistors with about 60 emitters have been developed.

A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is true, R is false
D. A is false, R is true

Answer: Option B

Explanation:

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